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Rings and Modules Seminar
~ Abstracts ~

© 2003 Thomas G. Kucera

A. Duca

Department of Mathematics
University of Manitoba

Thursday, Nov 06, 2003
and continuing

Localization and injective left modules over the skew Laurent polynomial ring
Abstract:

The problem of describing the injective envelope of a simple left module over a left noetherian ring has been studied extensively, with a dominant role being played by the prime ideals of the ring, and uniform modules over such rings have been classified into either tame or wild.
In the case of the skew Laurent polynomial ring B the only prime ideal is 0, and the only tame module is the ring itself, the injective envelope of this tame module being the quotient field of the ring. It seems that it is not an easy task to study the (indecomposable) injective envelopes of a simple non-zero left B-module. The study of the elementary socle series of the envelope will give us some description, which will lead to a localization of the ring. Hopefully, this new direction will shade some light into the structure of these peculiar uniform wild B-modules.


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